The v-shaped bone turned out to be the lower jaw of a fish, but not any fish Neil Shubin had ever seen. The University of Chicago paleontologist had been chipping his way through an ancient rock ...

The internal skull structure of a creature that bridges the gap between fishes and the first land-dwelling animals has been reconstructed. The creature, dubbed Tiktaalik roseae — or, to be less formal ...

A meme has been circulating online during the pandemic featuring Tiktaalik roseae, the iconic, four-legged “fishapod” that first made the transition from water to land 375 million years ago. Most ...

A new study describes a fossil species that closely resembles the four-legged fishapod Tiktaalik but has features that made it more suited to life in the water than its adventurous cousin. A meme has ...

In a bold experiment, Standen and colleagues reared a group of bichirs on land for eight months and compared them with bichirs that had developed in their normal aquatic environment (Fig. 1). They ...

Newly exposed parts of Tiktaalik roseae--the intermediate fossil between fish and the first animals to walk out of water onto land 375 million years ago--are revealing how this major evolutionary ...

Interesting in its own right, this also shakes up the debate about who was the first. Prior classification had relied only on the fossils of mature Ichthyostega, which, when compared to Acanthostega, ...

Discover Tiktaalik evolution, the pivotal fishapod that bridges the gap between aquatic creatures and terrestrial life. head and braincase were changing, a mobile neck was emerging and a bone ...

Newly exposed parts of Tiktaalik roseae--the intermediate fossil between fish and the first animals to walk out of water onto land 375 million years ago--are revealing how this major evolutionary ...

A meme has been circulating online during the pandemic featuring Tiktaalik roseae, the iconic, four-legged “fishapod” that first made the transition from water to land 375 million years ago. Most ...

A new fossil discovery reveals that an early tetrapod actually began its life as an aquatic dweller, only to have it change habitats and body morphology as it reached maturity and moved onto land.Read ...

While some fishapods were crawling out of water, others were diving right back in. Around the time that some of our fishapod relatives were crawling out of the water, others were turning around and ...